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A better way to study ocean currents（图）
洋流 机器学习模型 塑料污染 漏油
2023/6/20
To study ocean currents, scientists release GPS-tagged buoys in the ocean and record their velocities to reconstruct the currents that transport them. These buoy data are also used to identify “diverg...
Record-high Arctic freshwater affecting marine environment and Atlantic Ocean currents（图）
Record-high Arctic freshwater marine environment Atlantic Ocean currents
2021/3/19
Freshwater is accumulating in the Arctic Ocean. The Beaufort Sea, which is the largest Arctic Ocean freshwater reservoir, has increased its freshwater content by 40% over the past two decades. How and...
Scientists investigate marine heatwaves and shifting ocean currents（图）
Scientists investigate marine heatwaves shifting ocean currents
2020/10/10
North America experienced a series of dangerous heatwaves during the summer of 2020, breaking records from coast to coast.In the ocean, extreme warming conditions are also becoming more frequent and i...
Scientists find no direct link between North Atlantic Ocean currents, New England coast sea level（图）
Scientists North Atlantic Ocean currents New England coast sea level
2019/10/28
A new study by NSF-funded scientists at the Woods Hole Oceanographic Institution clarifies the influence of major currents in the North Atlantic Ocean on sea level along the coast of the northeastern ...
A Laboratory Demonstration of Coriolis Effects on Wind-Driven Ocean Currents
Wind-Driven Ocean Currents Coriolis Effects
2015/7/20
Here we study the mechanism by which the wind drives ocean circulation. We induce cyclonic and anticyclonic circulation by blowing air over the surface of a rotating tank of water using fans co-rotati...
Modelling rogue waves through exact dynamical lump soliton controlled by ocean currents
Modelling rogue waves exact dynamical lump soliton controlled ocean currents Fluid Dynamics
2012/4/26
The ocean rogue wave, one of the mysteries of nature, has not yet been understood or modelled satisfactorily, in spite of being in the intense lime-light in recent years and the concept spreadin fast ...
On the Mixed Stability Program for Quasi-Geostrophic Ocean Currents
Quasi-Geostrophic Ocean Currents baroclinic currents
2009/3/26
A simple, two-layer, quasi-geostrophic model is used to investigate the stability of baroclinic currents confined to a finite length scale L in a basin of considerably larger dimension (4L). The curre...
Remote Sensing of Ocean Currents and Sea Surface Temperature Changes Derived from the Nimbus II Satellite
Sea Surface Temperature Ocean Currents Nimbus II Satellite
2009/3/9
Nimbus II High Resolution Infrared Radiometer (HRIR) data, sensitive in the 3.4–4.2 μ window, were analyzed over several oceanic regions. Current boundaries such as the north wall of the Gulf Stream h...
The Stability of Ocean Currents in Eddy-Resolving General Circulation Models
Ocean Currents Eddy-Resolving General Circulation Models
2009/2/23
The stability of currents generated in an oceanic eddy-resolving general circulation model EGCM (Holland, 1978) is investigated by solving the eigenvalue problem associated with the finite-difference ...
Ocean Currents along a Nearshore Frontal Zone on the Continental Shelf of the Southeastern United States
Ocean Currents Nearshore Frontal Zone Continental Shelf
2009/2/10
River and estuarine discharges mix to form a frontal zone along a 400 km length of the coast of the south-eastern United States. The frontal width extends from the coast outward 10–20 km. Two ships, a...
The Relationship Between Deep Ocean Currents and Winds East of Barbados
Deep Ocean Currents Winds Barbados
2009/2/7
Observations of currents collected at the POLYMODE array III cluster C (16°N, 54°W) are compared with radiosonde winds measured at Barbados (13°N, 62°W) using a linear response analysis. The winds and...
A Study of the Variability of Ocean Currents in the Northwestern Atlantic Using Satellite Altimetry
Altimeter data Ocean Currents Satellite Altimetry Northwestern Atlantic
2009/2/5
Altimeter data obtained from GEOS-3 during the three year period 1975–78 for a region of the western North Atlantic which includes a portion of the Gulf Stream system and part of the open ocean area o...
A Study of Geostrophy in Tropical Pacific Ocean Currents during the NORPAX Tahiti Shuttle using a Shipboard Doppler Acoustic Current Profiler
Tropical Pacific Ocean Currents Geostrophy Shipboard Doppler Acoustic Current Profiler
2009/1/5
Continuous velocity measurements from a shipboard Doppler acoustic long on the NORPAX shuttle experiment in the central equatorial Pacific are presented. The time mean of these velocities shows the cl...
Transient Ocean Currents Induced by Wind and Growing Waves
Transient Ocean Currents linearly increasing eddy Growing Waves
2008/12/17
A theoretical nonlinear model for wind- and wave-induced currents in a viscous, rotating ocean is developed. The analysis is based on a Lagrangian description of motion. The nonlinear drift problem is...
Radiating Instability of Nonzonal Ocean Currents
Radiating Instability Nonzonal Ocean Currents
2008/12/9
The linear stability of nonzonal flow, uniform in the alongjet direction on a beta plane, is studied. The flow is balanced by a forcing term in the potential vorticity equation. The problem is analyze...